Keep the functions local

Change-Id: I7d56a72b8c22ce5e4c664b5ccf45aa984b9df88b
diff --git a/vcl/source/control/spinfld.cxx b/vcl/source/control/spinfld.cxx
index dd1f609..b6aa626 100644
--- a/vcl/source/control/spinfld.cxx
+++ b/vcl/source/control/spinfld.cxx
@@ -30,6 +30,8 @@

// =======================================================================

namespace {

void ImplGetSpinbuttonValue( Window *pWin, const Rectangle& rUpperRect,
                            const Rectangle& rLowerRect,
                            sal_Bool bUpperIn, sal_Bool bLowerIn,
@@ -136,6 +138,8 @@ sal_Bool ImplDrawNativeSpinbuttons( Window *pWin, const SpinbuttonValue& rSpinbu
    return bNativeOK;
}

}

void ImplDrawSpinButton( OutputDevice* pOutDev,
                         const Rectangle& rUpperRect,
                         const Rectangle& rLowerRect,